Beginner · 30 XP

Delete Duplicate Emails Retaining Smallest ID (Variation #4)

### Delete Duplicate Emails Retaining Smallest ID (Variation #4) Delete duplicate rows using self-join or CTE. Write an optimal, production-ready solution adhering to SQL best practices and type boundaries.

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• Hint 1: Think about time complexity and edge cases in SQL.
• Hint 2: Review corresponding syntax and reference documentation.

Type: Sql

Runtime: SQL

SQL solutionCHALLENGE #103

Delete Duplicate Emails Retaining Smallest ID (Variation #4)

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